Science News - The Hindu

City of Tshwane Healthcare official waiting to take throat swabs for the COVID-19 coronavirus testing at the Denlyn Mall taxi rank in Mamelodi township, East of Pretoria on January 20, 2021.

South African coronavirus variant may escape antibodies, cause reinfection, say scientists

In the research, the scientists, including those from the University of the Witwatersrand in South Africa, tested the neutralisation activity of plasma from patients who recovered from prior infection.

Female praying mantis Credit: Nathan Burke

How the male mantis avoids being decapitated after mating

Jane Cooke Wright

Know the scientist: Jane Cooke Wright

In School Team Jane Wright pioneered the use of the drug methotrexate to treat breast cancer and skin cancer

Image for representative purposes only.

Rice attributes that improve nitrogen use efficiency found

Special Correspondent It could help farmers use nitrogenous fertilizers efficiently, save costs.

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Pei Zhaoyu, spokesperson for Chang’e-5 Mission and deputy director of Lunar Exploration and Space Engineering Center of the China National Space Administration (CNSA), introduces the reentry module which has carried moon sample back to earth, at the National Astronomical Observatories of Chinese Academy Sciences (CAS), in Beijing, China, January 18, 2021.

China's retrieved lunar samples weigh less than targeted

Reuters China is open to cooperating with all nations in studying the samples, including the United States.

A Miyawaki forest established under the initiative of INS Venduruthy at the Naval Base in Kochi.

Question Corner: Do plants share genetic material with each other?

Readers may send their questions/answers to questioncorner@thehindu.co.in

A file photo of the Curiosity rover which is a part of NASA's Mars Science Laboratory mission.

Watch | Curiosity Rover completes 3000 days on Mars

The Hindu Net Desk A video on NASA’s Mars rover, Curiosity, completing 3000 days on the red planet

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A supplied undated image obtained January 20, 2020 shows a platypus being surveyed by researchers for the Platypus Conservation Initiative in New South Wales, Australia.

Watch | Why are platypuses so weird?

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South African coronavirus variant may escape antibodies, cause reinfection, say scientists

From Archaea to orchids: The Hindu Science Quiz

How the male mantis avoids being decapitated after mating

Know the scientist: Jane Cooke Wright

Rice attributes that improve nitrogen use efficiency found

Watch | Why are platypuses so weird?

V. Shanta (1927-2021)

She was regarded as the doyen of cancer care in the country

Best from science journals: When mosquitoes were given malaria

Here are some of the most interesting research papers to have appeared in top science journals last week.

China's retrieved lunar samples weigh less than targeted

China is open to cooperating with all nations in studying the samples, including the United States.

Greenhouse gas emissions have regional impacts on wildfire outbreaks: study

By 2080, greenhouse gas emissions are expected to raise the risk of extreme wildfire by at least 50% in western North America, equatorial Africa, Southeast Asia and Australia

Richard Branson’s Virgin Orbit reaches space with key mid-air rocket launch

Sunday’s test also thrusts Virgin Orbit into an increasingly competitive commercial space race, offering a unique “air-launch” method of sending satellites to orbit alongside rivals such as Rocket Lab and Firefly Aerospace

NASA test of mega Moon rocket engines cut short

The “hot-fire” test at the Stennis Space Center in Mississippi was supposed to last a little over eight minutes — the time the engines would burn in flight — but they shut down just over a minute into the burn.

Watch | Curiosity Rover completes 3000 days on Mars

A video on NASA’s Mars rover, Curiosity, completing 3000 days on the red planet

Fruit flies evolve in response to environment

Males modulate their reproductive investment based on perceived competition

Question Corner: Do plants share genetic material with each other?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Exotic food exchange in the second millennium BCE

Trade flourished long before the Silk Routes were established

Glucose addiction can foment tumours

Study reveals genes’ roles in regulating glucose utilisation by breast cancer cells

This is a wonderful time to work on black holes: astrophysicist Parameswaran Ajith

The cosmic bodies have come out of their historical isolation to take centrestage in modern astrophysics, says the recipient of the inaugural young scientist award instituted by The World Academy of Sciences

Tiny worms can make complex travel decisions when hitch-hiking: IISc study

This was one of the key findings by two researchers from the Centre for Ecological Sciences (CES) at the Indian Institute of Science who studied how microscopic worms called nematodes that live in fig trees hitch a ride on fig wasps so that they can move from one tree to another

Coronavirus | Indian scientists divided over nod for Covaxin

While some say safety parameters are good, others have asked for efficacy data

RIP: Mars digger bites the dust after 2 years on red planet

NASA has declared the Mars digger dead after failing to burrow deep into the red planet to take its temperature.Scientists in Germany spent two years

All about vaccination: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Watch | The world’s insect population is declining

A video on the world's declining insect population

In pictures: NASA's Curiosity Rover celebrates 3000 days on Mars

A martian day is slightly longer than an Earth day. It is approximately 24 hours, 39 minutes, 35 seconds long

Best from science journals: Why are platypus so weird?

Here are some of the most interesting research papers to have appeared in top science journals last week.

Tardy hunt for UK variant of virus

Centre not actively looking for community spread of strain, says scientists

Watch | All about the bird flu outbreak in India

A video explainer on the Avian Influenza outbreak in India

World insect population declining at an alarming rate, say studies

Honeybees have been in dramatic decline because of disease, parasites, insecticides, herbicides and lack of food

‘COVID-19 herd immunity unlikely in 2021 despite vaccines’

The World Health Organization’s (WHO’s) chief scientist warned that even as numerous countries start rolling out vaccination programmes to stop

NARL scientists solve mystery over unequal aerosol distribution

Research paper published in the latest issue of the Nature magazine

Watch | Can spiders build webs in space?

A video on NASA's experiments with spiders in space on board the Skylab and ISS

Coronavirus | Most hospitalised COVID-19 patients have at least one symptom 6 months after falling ill: study

The most common symptom to persist was muscle weakness, with patients also frequently experiencing sleep difficulties

Coronavirus | COVID-19 ICU patients at risk of acute brain dysfunction, says study

The choice of sedative medications and curbs on family visitation played a role

Loring and Schwerdt, and their search for poliovirus

Stanford scientists Hubert Scott Loring and Carlton Everett Schwerdt announced their successful isolation of poliovirus on January 10, 1947. Even though it was only 80% pure and extracted from cotton rats infected with polio, it was a breakthrough at the time and a giant stride in our continuing fight against polio.

Identical twins aren’t perfect clones, study shows

15% of identical twins showed up to 100 genetic differences

Question Corner: Why haven’t crocodiles evolved much since the age of the dinosaurs?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Harnessing what Einstein called spooky ‘action at a distance’

‘Entangled’ particles mimic changes in each other regardless of the separation

Coronavirus | A vaccine is a vaccine... regulators never approve a backup, says virologist Shahid Jameel

Dr. Jameel says there is no experimental evidence so far that Covaxin will neutralise newly emerging mutants any better.

Coronavirus | New challenges for COVID-19 vaccine trials in India

With the daily cases coming down, many people who would have volunteered would not see the urgency now as earlier

Decoding a meteorite that fell near Jaipur in 2017

It is a type of stony meteorite that is a remnant of the first solid bodies to accrete in the solar system

Watch | 2020: Indian bird-watchers' paradise

A video on the bird watching highlights of the year 2020

All about viruses: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Science policy to help researchers access top journals for free

It now costs around ₹1,500 crore annually to subscribe to them

Best from science journals: How did asteroid Ryugu lose its water

Here are some of the most interesting research papers to have appeared in top science journals last week

Rare white tiger born at Nicaragua zoo

She is the first-ever white tiger born in the country, to a pair of yellow-and-black-coloured Bengals.

CSIR-CCMB study shows air borne transmission of coronavirus is possible under certain conditions

Viral particles could be detected in air especially in closed rooms where COVID positive individuals had spent longer periods, even after two hours of their exit from the room and at distances greater than two meters as well.

Can spiders weave webs without gravity?

They were sent into space for the first time in 1973

Question Corner: Can some mosquitoes cause more malaria transmission?

Readers may send their questions/answers to questioncorner@thehindu.co.in

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